﻿<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ViewStateHiddenFieldVariable.aspx.cs" Inherits="StateManagement.ViewStateHiddenFieldVariable" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <script language="javascript">
        function Clear() {

            document.getElementById("__VIEWSTATE").value=null;
           // alert(str.getAttribute("value"));
           // str.setAttribute("value") = "";
           // alert(str.getAttribute("value"));
        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:TextBox ID="TextBoxUserName" runat="server"></asp:TextBox>
        <input type="button" value="Clear" onclick="Clear()"/>
    </div>
    </form>
</body>
</html>
